Supplementary turntable and clamping frame



J. WEGNER SUPPLEMENTARY TURNTABLE AND GLAMPING FRAME July 6,1926.

2 Sheets-Sheet 1 INVENTOR ATTORNEY Original Filed Sept. 12. 1924 .July6, 1926. T 1,591,195

J. WEGNER SUPPLEMENTARY TURNTABLE ANDOLAMPING FRAME Original Filed Sept.12. 1924 2 Sheets-Sheet 2 I .15. 'C I 1 I I a I if i E 1 1 INVENTORPatented J l e, 19 6;

I11,5 i,195-f I g UNITED) STAT 1 JULIUS wnennnyor NEW YORK; N

SUPPLEMENTARY TUR TABLE 'A Do AMPiNG rRAiurfl ,Orig'inaI applicationfiled se tenb r'iai'ez' ig Serial No. 739,291. Divided and this aneatiea filed i September 16, 1925 Serial No. 56,584. 7 v i f Y Thisinvention relates to a turntable .for

' a machine for-working marble, stone and the 7 like in which theturntable for-the work is supported on a reciprocating table and thegrinderlorcutting head is. carried above it,

there being a relative feedbetweenthe work V andv the grinder orcuttinghead. Th'i sjap v "plication is a division o'f my' eompanionap,plication' Serialv No. 737,291, filed September 10 12, 1924:. V J I y II L l3,pwillfth i sibe rotated. r I V on I 7 One of the objects of lthe,invention 'is'to The shaft 15, may be turned by ower or provide asupplementary turntable a and by hand andforithis purpose, theshaftlfi', clamping frame f01 preliminarily setting carriesatitshottonizibvel gear'19, which' up the work and for'clamping -it toand unmeshes wi'tha bevel ge'ar QO, the latter car- 1 clamping it fromthe table of the machine; riedby'sha'ft 21. Shaft 21, ,may be suittheWork being first, preliminarily. clamped to-the frame and then hois tedand trans ferred 'to the turntable ofthe machine.

;With the above andother objects in View my; invention consists inthe'parts, improvements and combinations more fully' pointed' n 4 a 1The grinder carriage 1,1,fn1ay gbe shifted back and forthj onj,crossrails, fthe iupper orossrail, being showrifatiflOO. A; handoperated shaft 101," is mounted in one end o-f g onthereinaften 7 1Referring now to the drawing which illustrate one embodimentnf theinvention; I Figure 1, is a plan iew of the grinding machine,' lookingdown upon the turntable.

F i a =v i nla s lyf 5 e ti showing the supplementary turntable, and

Figure 3, is a detail side elevationdshowp li pon Q WQikz I Beforedescribing the turntable.. and

clamping frame, rwiu describe :thejmarble is used.

As the shaft 5, is rotated and reyersed the m engaging the rack wi q erefi thetable Means; not-shown, see-my companion applicationgserial No.737,291, are' provided for 1 driving thekshaft 5, by; power oradjustingit by hand, y j;

' A crossrailmember 10, isprovided wh ch carries a crossrail, over andacrossflw hich the earriage ll, carryingthe rotarygrin'd ring head, isshifted, Thecrossrail member 10, may be raised andlowered by power or fthe -top Of the clamping frame when 7 Working machine with, which theinvention to reciprocate the table, the shaft 5, carryby hand and iscarried astandard lZ, at I one side "of; the machine frame. A hoistingscrew 1 3,j rotatably mounted I in the stand ard 12; 1s prov 'decl forraising and lowering theerossrail,v the screw .13; "engagingthe vthreaded"sleeve fixed tothefback of the crossi a l. A shaft--15, extendspa'rallel to the screw l3 ,jthe shaft 15, carrying 'gear l7. Gear' l7,lsinmesh Withgear 18,,on hoistmfg; screw On turning shaft 115, screwably-driven thru 'gears .22, 23,' the latter be t the crossrailmemberlOI g'lhis shaftcarries a gear 102-, which engages other gearlng'andclutch c'onn'ect1ons,' not, shown,fso,jwhen dethen shifted. ineitherQdireetion, I

;The :tllrnfiibl andQ'y-Vork nay be automatically locked or tilted'so asto produce arswell orgdiminish in the desired column turned by ahandcrank and theearriage 11.,

7 sections; simultaneously with and proportional to 'thel Verticalfeed'l of the 'orossrail carrying the a grinder carriage. {The carrierfplate 25,19, pivot'edat' 2521113011 brackets 26, [carr ed by thetableAQAt-the far end of the carrier plateda "cani roller'27; is mountedin ,anadj ust ableeboxj 27?,jvhich can byertislidinginjbracket QQQsecured to thecarrier frocked'by. suitable means. LThe'. cam shaft ri'edin-l bra'jckets supported by the table 745'. is

3i; earriesl; crank 32, which is adj ustably v conneoted by link,3 3,and erankpin 34eto 1' V rock arm 35. Rock'arin 35 is 'securedto shaft 36.wliichf carriesalworm wheel 37,

- and is driven by .w rmes', slidably engaging the spline ,on sha'ft391K Shaft 39', maybe 1 driven byLs'u-ita'blemeansthru gear 40 on shaft.39, andythru other 'gearingand clutch oonnections not shown, 1L/Ie'ananot'shovvn,

sired, thesqua'red end ,of shaft 101', maybe on y are also proyigl ed bywhich the. shait 39,

rocking the 'carrierplate 'afid" the shift 2-1, for raismg the,cross-member carrylng the 5 erated so as to give a swell or diminish tothe. fiuting in p-fiolirttori to tl l e -feed -of the ess rseibernheeeuet ef t t. s L besidmstdbybmnfiphm t.

Turning now to the intention forming {91f this al-wi e he w rk W t has e-an u ar s midis 'rota'tably supported on the earner plate 2-5, carriedby the reciprocating table.

The-Jmnd Whe.el,..5.9, secured to shaft 61; carries a pinion, not shown,which engages gear M 62, on mtermechaite shaft :63.

Shaft 63, is niourlted in standards 64, supported from showri, tw''h-ieh'iiieshes with gear 65'. Gem- 65 1 s securetltounterrned ate shaft66, glsO .Cgr-

" udurdb; and engages arm-111m s showii ilfFf-gurel', the grinder orout; thug head seat-e67 is: prefer dbly driven by a s te: tii ed tamm ybe swi Q 1 1 it s'fii to't by me ns of a Worm gear segment 6?, carriedby the grinder sh aft suppo'iit', the

s Qiclf Wori ii being driii e'fi' ty ha'hd' Wheel 70.

s hzifitl Wheaten-en meeed"'wi11 tuirri "the aged drlvnig rrgoto aboutth el-rcommon pm ifizily be; turned lifijower" from motor 68 by she-ftT5 cerrythg betel gear 7 with which may engage eat her'ger 77-01 '78.

rptosite directions WhGI I broughtrespeotiyely drivilig 'gear 7e; Thi

mm met" 'xfiith Willturhthe grihder'sheft by power about t 1 11"]?i'ge'f'e 1, two" grindin gh eeds 7:9,"80, heen, thef headf 79', havi g ao i nthe vtur i met ou oi, *tumt blq 5 5-1 p te l alnp i n the (1 royiled v 29. 1. elemp eg anti n, a t

po i tempt-b We er 57; eta

f the toltitiinthe '1. I re after'th e 'veitieauyq bet 'we'rij'flutesand e cuttihg'portioh for "cutting ,a 'gr'ooye between theffiutes. Head79 g iyes out to; the

Herring thus (lescribedthe' invention, its

oper'tioh' v ill" be clear. "The column or Work is first clamped betweenthe-ffrfmes eLQJC-Q "and; then' is hoisted 'aboye and; upon grinding111513 then proeeed; It willfbe unue'rtgqd that changes iriey'be 'maclein carrylng the mventloil lnto effect W1thoutde p'artir g mm theprinciple thereof.

1; In impiehine for grinding stone, the combrlue-tiouo-fa"recip'rooatiiig"tab1e, a rotary rjorkisupportihg table ozir'riedtherebj ei remo v able pair of frames for preliminari- 1yoldmpingthe'woljk aha; means forclam p in g th e damping frames, to therotary Work s t'lpportih'g' the being supported In jgifueaeh-inetori-grinding stone, the combnetlop of e reolprdeati ng table 'memb tffitter. W -"jk' PPiQr n b e wr d thereby, a removable-pen offr ames torpre- "i1" turningthemed ti heel'e defi- 'i arid; swivel the, grinder'sht'ft; griuder 7 'ti'ghtening sorevvj 55. The work Y of liminarilyclamping the work means for.

clampingfthe clamping framesito the rotary work supporting table and tothe reciprocating table member and means for rotating .the' worksupporting table after unclamping the latter clamping means from thereciprocating table member.

3. In a machine for grindlng stone, the combination of areclprocatmgtable, a rotary work supporting table carried thereby, aremovable pair of frames for prelimiclamping frame.

narily clamping the work, means for clamping the clamping frames to therotary Work supporting table and a registering pin for L registeringandconnecting the work clampmay be rotated and a centering device inaxial alignment with the pivot and cooperating with the centralopeningin the lower In a machine for grinding stone, the comblnation of areciprocat ng table, a rota'ryfwork supporting tablecarried thereby, I san npperg and a lower frame for prelimi-- "J I narlly clampmg the work,the'low er frame havinga central opening, a fixed central pivot aboutwhich the rotary tablev may be rotated, a centering device in axialalignment with the pivot and cooperating with the central opening in thelower clamping frame, .and Ineansfor clamping-the clampinlzg1 frames tothe rotary work supporting ta e. Y

combination of a reciprocating table, a ro 6. In a machinefor grindingstone, the? tary work supporting table carried thereby,

an upper and a lower frame for pi'elimif narily clamping the work, thelower fra'mef w having a 'central openlng, aQfiXed central pivotaboutwhich the rotary table may be rotated, said pivot provided with anextension rod, and means for clamping the frames to the table,comprising a sleeve and clamping bolt, the latter fitting the end' ofthe extension rod;

In testimony whereofiljliave signed 1 name to this specification.

I a ULIUS wnonnit.

